diff options
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/trf7970a.txt | 2 | ||||
| -rw-r--r-- | drivers/nfc/trf7970a.c | 11 |
2 files changed, 1 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt index c627bbb3009e..57cb52c94783 100644 --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt @@ -13,7 +13,6 @@ Optional SoC Specific Properties: - pinctrl-names: Contains only one value - "default". - pintctrl-0: Specifies the pin control groups used for this controller. - autosuspend-delay: Specify autosuspend delay in milliseconds. -- vin-voltage-override: Specify voltage of VIN pin in microvolts. - irq-status-read-quirk: Specify that the trf7970a being used has the "IRQ Status Read" erratum. - en2-rf-quirk: Specify that the trf7970a being used has the "EN2 RF" @@ -40,7 +39,6 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1): ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>, <&gpio2 5 GPIO_ACTIVE_LOW>; vin-supply = <&ldo3_reg>; - vin-voltage-override = <5000000>; vdd-io-supply = <&ldo2_reg>; autosuspend-delay = <30000>; irq-status-read-quirk; diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index b9a90843ea35..5827ad111942 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -2005,12 +2005,6 @@ static int trf7970a_get_autosuspend_delay(struct device_node *np) return autosuspend_delay; } -static int trf7970a_get_vin_voltage_override(struct device_node *np, - u32 *vin_uvolts) -{ - return of_property_read_u32(np, "vin-voltage-override", vin_uvolts); -} - static int trf7970a_probe(struct spi_device *spi) { struct device_node *np = spi->dev.of_node; @@ -2108,10 +2102,7 @@ static int trf7970a_probe(struct spi_device *spi) goto err_destroy_lock; } - ret = trf7970a_get_vin_voltage_override(np, &uvolts); - if (ret) - uvolts = regulator_get_voltage(trf->regulator); - + uvolts = regulator_get_voltage(trf->regulator); if (uvolts > 4000000) trf->chip_status_ctrl = TRF7970A_CHIP_STATUS_VRS5_3; |